insist的用法
insist【用法一】v. 坚决要求；坚持要；一定要
例1：we insisted on his apology.
我们要他赔礼道歉。
例2：she insisted on seeing us home.
她坚持要送我们回家。
例3：i insisted on their arriving there ahead of time.
我坚持要他们提前赶到那。
注：1）insist on 后面不能接由“名词或代词+ 动词不定式”构成的复合宾语。不能说：the teacher insisted on all the compositions to be handed in on monday.
2）insist +宾语从句（从句中的谓语动词常用虚拟语气，即should + 动词原形或
省去should）。例如：the young men insisted that they （should）be sent to the front.
那些年轻人坚持要求被派往前线去。
【用法二】v. 坚持认为，坚持说，强调
1）insist on +名词。
例如：he insisted on his innocence.
他坚持说自己无罪。
2）insist on + 宾语从句在表示一个客观事实时（谓语动词不用虚拟语气，而应用陈述语气）。
例如：the boy insisted that he hadn’t broken the glass.
那小男孩坚持说他没有打烂玻璃杯。
英文倍数表达法
用英语表达 A 是 B 的N 倍长（宽，高，大，重等），A 比 B 长（宽，高，大，重
等）N 倍或A 的长度（宽度，高度，大小，重量等）是 B 的N 倍，可用下列几种句型。
1.A + be + 倍数+ as + 计量形容词原级+ as + B.
This tree is three times as tall as that one. 这棵树是那棵树的三倍高。
His father is twice as old as he. 他父亲的年纪有他两倍大。
2.A + be + 倍数+ 计量形容词比较级+ than + B
The Yangtze River is almost twice longer than the Pearl River.
长江差不多比珠江长两倍。
The dictionary is exactly five times more expensive than that one.
这本字典比那本恰好贵5倍。
3.A + be + 倍数+ the + 计量名词+ of + B
The newly broadened square id four times the size of the previous one.
新扩建的广场是未扩建时的四倍大。
4.The + 计量名词+ of + A + be + 倍数+ that + of + B
The size of the newly broadened square is four times that of the previous one.
新扩建的广场为以前的四倍大。
5.其它
I'm twice/ double his age. 我的年龄是他的两倍。
I've paid five times the usual price for the stamp.
我出了5倍于往常的价格买这枚邮票。
字号：大中小“倍数”用法集萃
英语中"倍数"的表示法常见的有以下几种：
1. 在表示两倍时，我们常用twice或double。例如：
This year we have produced twice as much corn as we did last year. 我们今年生产的玉米是去年的两倍。
She is double my age. 她的年龄是我的两倍。
2. 在表示三倍或三倍以上的倍数时，我们常用times表示，可以译为"是......的几倍"；"比......大/高/长......几倍"等等。
①用"主语+谓语+...times + the size(或amount, length...)+ of +被比较的内容"表示。例如：
The size of your room is five times the size of mine. 你房间的面积是我房间面积的五倍。
②用"主语+谓语+...times + 形容词（副词）的比较级+ than +被比较的内容"表示。例如：
Your bag is twice bigger than mine. 你的包比我的大两倍。
③用"主语+谓语+...times + 形容词+ (n.) + as + 被比较的内容"表示。例如：
Your book is three times as thick as mine. 你的书比我的书厚三倍。
④用"主语+谓语+...times + what引导的从句"表示。例如:
Cotton output is now ten times what it was ten years ago. 目前棉花的产量是十年前的十倍。
⑤用"主语+谓语+...times + upon(或over)..."表示。例如：
The size of the sun is a million times over that of the earth. 太阳的体积比地球的体积大一
百万倍。
3. 可用"主语+谓语+...+ as + 形容词（副词）+ again + as"表示。例如：
Nine is as much again as three. 九是三的倍数。
4. 可用"主语+谓语+ 倍数（百分比）"表示。例如：
This year we'll learn 20% more words from our texts than we did last year. 今年我们学习的单词比去年多20%。
5. 用"主语+谓语+ to + 数词"表示"增加到......数"。例如：
The number of students in our school has increased to 2001. 我们学校的学生数已增加到两千零一人。
